De Volkskrant

This article is actually about the Gorredijk UFO Wave, a mass sighting in a Frisian village that lasted more than a month. But this article also mentions that The UFOs of Soesterberg documentary is currently showing in Dutch cinema's.

Gorredijk, vijftig jaar na de ufo’s. ‘Alsof er een zwaailicht langs de bosrand zweefde’ | de Volkskrant